Neil Alexander started in goal in place of regular first choice Allan McGregor with the former expected to feature in this month's Co-operative Insurance Cup final against Celtic, as is customary for that competition.
McGeady said he was still smarting from his penalty miss as Celtic dropped two points against the SPL basement side.
And the captain made an immediate impact against his former club as Celtic edged into the lead after five minutes.
Motherwell's match against Hibernian, the Old Firm game and Gretna's fixture with St Mirren on 2 January have been postponed, as has Well's fixture against Celtic on Sunday.
Jelavic - who scored 21 goals last season, including three against Celtic in the Europa League - is viewed as a replacement for Kris Boyd, who left Ibrox for Middlesbrough under freedom of contract.
Lennon has endured sectarian threats against him throughout his career as a player and manager at Celtic and was the target of a parcel bomb campaign, which also saw devices sent to QC Paul McBride and MSP Trish Godman.
After guiding Celtic to victory against Kilmarnock in his first game as interim boss in March, Lennon revealed his overriding emotion was relief.
Suso had sent a drive against a Celtic post, but Hearts were caught out as Daryl Murphy broke clear and his cross was turned in by James Forrest.
The proposed match against Donegal Celtic is likely to be staged at Suffolk Road as Casement Park is unlikely to be available.
McManus was not included in the Celtic squad for Wednesday's Champions League qualifier against Arsenal as he is still short of match practice.
Now McGeady, who appeared as a late substitute for the Irish against Jamaica, has set his sights on a regular first team berth at Celtic.
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